Tregillis Cynthia L

Chief Legal Officer & Corp SecWESTERN DIGITAL CORP (WDC) · full profile →Form 4 · filed Aug 24, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$417K
Net Open-Market Flow
-$417K
Transactions
8
6 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Aug 24, 2026Sell(S)684$446.17$305K112K
Aug 21, 2026Tax withholding(F)1K$459.44$510K113K
Aug 21, 2026Sell(S)235$477.27$112K114K
Aug 21, 2026Option exercise(M)11$0114K
Aug 20, 2026Option exercise(M)3$0115K
Aug 20, 2026Tax withholding(F)379$469.05$178K114K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Aug 21, 2026Option exercise(M)11$0295
Aug 20, 2026Option exercise(M)4$0306

Transaction Codes

S
Open-market sale
F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001266824-26-000174) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

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